<section class="d-flex">
  <aside nz-col style="width: 220px">
    <app-left-tree maxLevel="3" (selectChange)="selectChage($event)"></app-left-tree>
  </aside>
  <section class="flex-1">
    <!-- <page-header></page-header> -->
    <app-table-page #st [config]="config"></app-table-page>
  </section>
</section>
